Enhanced SCAN Bridge Multidrop Addressable IEEE 1149.1 (JTAG) Port

The SCANSTA111 extends the IEEE Std. 1149.1 test bus into a multidrop test bus environment. The advantage of a multidrop approach over a single serial scan chain is improved test throughput and the ability to remove a board from the system and retain test access to the remaining modules. Each SCANSTA111 supports up to 3 local IEEE1149.1 scan rings which CAN be accessed individually or combined serially. Addressing is accomplished by loading the instruction Register with a value matching that of the Slot inputs. Backplane and inter-board testing CAN easily be accomplished by parking the local TAP Controllers in one of the stable TAP Controller states via a Park instruction. The 32-bit TCK Counter enables built in self test operations to be performed on one port while other scan chains are simultaneously tested.
By National Semiconductor Corporation
Part Manufacturer Description Datasheet Samples
SCANSTA111SM/NOPB Texas Instruments SCANSTA111 Enhanced SCAN Bridge Multidrop Addressable IEEE 1149.1 (JTAG) Port 49-NFBGA -40 to 85
SCANSTA111SMX/NOPB Texas Instruments SCANSTA111 Enhanced SCAN Bridge Multidrop Addressable IEEE 1149.1 (JTAG) Port 49-NFBGA -40 to 85
SCANSTA111SMX Texas Instruments SCANSTA111 Enhanced SCAN Bridge Multidrop Addressable IEEE 1149.1 (JTAG) Port 49-NFBGA -40 to 85
SCANSTA111SM Texas Instruments SCANSTA111 Enhanced SCAN Bridge Multidrop Addressable IEEE 1149.1 (JTAG) Port 49-NFBGA -40 to 85
SCANSTA111MT Texas Instruments SCANSTA111 Enhanced SCAN Bridge Multidrop Addressable IEEE 1149.1 (JTAG) Port 48-TSSOP -40 to 85
SCANSTA111MT/NOPB Texas Instruments SCANSTA111 Enhanced SCAN Bridge Multidrop Addressable IEEE 1149.1 (JTAG) Port 48-TSSOP -40 to 85
SCANSTA111MTX/NOPB Texas Instruments SCANSTA111 Enhanced SCAN Bridge Multidrop Addressable IEEE 1149.1 (JTAG) Port 48-TSSOP -40 to 85
SCANSTA111MTX Texas Instruments SCANSTA111 Enhanced SCAN Bridge Multidrop Addressable IEEE 1149.1 (JTAG) Port 48-TSSOP -40 to 85
SCANSTA111 's PackagesSCANSTA111 's pdf datasheet
SCANSTAEVK
SCANSTA111MT TSSOP
SCANSTA111MTX TSSOP
SCANSTA111SM FBGA
SCANSTA111SMX FBGA

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SCANSTA111 Pinout, Pinouts
SCANSTA111 pinout,Pin out
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